Question

Fig. 15.5
159) A die is thrown once. Find the probability of getting
(i) a prime number; (ii) a number lying between 2 and 6; (iii) an odd number.
1 One card is drawn from a well-shuffled deck of 52 cards Find the nrobability of getting​

Answer 1

Answer:

Total outcomes = 6

(i) P (a prime number) = 3 / 6 = 1 / 2

(ii) P (a number lying between 2 and 6) = 3 / 6 = 1 / 2

(iii) P (an odd number) = 3 / 6 = 1 / 2

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Answer 2

(i) E= a prime number

Number of total outcomes = 6

favourable outcomes= 1,2,3,5

number of total favourable outcomes=4

P(E)=no. of favourable outcomes/no. of total

outcomes

= 4/6

=2/3

(ii)E=number lying between 2and 6

Number of total outcomes =6

favourable outcomes= 3,4,5

number of total favourable outcomes= 3

P(E)=no. of total outcomes/no. of favourable outcomes

=3/6

=1/2

(iii)E=an odd number

number of total outcomes=6

favourable outcomes=1,3,5

Number of favourable outcomes=3

P(E)=no. of favourable outcomes/no. of total outcomes

=3/6

=1/2

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